English Reference

Word

DAC

Phoneticsdac

/ˈdæk/

Definition

n. Stands for Digital-to-Analog Converter. A device or circuit that changes digital signals into analog signals so you can hear music or see images on a screen.

n. Abbreviation for Digital-to-Analog Converter. An electronic circuit that converts a digital signal into an analog signal, typically used in audio and video systems to produce continuous waveforms from discrete binary data.

Examples

“The DAC in my headphones improves the sound quality.”

“High-end audio systems often use an external DAC to ensure that the digital signal is converted to analog with minimal noise.”

“The performance of a DAC is measured by its signal-to-noise ratio and its ability to reproduce the original analog waveform without introducing distortion or jitter.”

Examples

simple

“The DAC in my headphones improves the sound quality.”

contextual

“High-end audio systems often use an external DAC to ensure that the digital signal is converted to analog with minimal noise.”

complex

“The performance of a DAC is measured by its signal-to-noise ratio and its ability to reproduce the original analog waveform without introducing distortion or jitter.”

Real-World Examples

“They also plan to investigate its use with CO₂ recovered directly from the atmosphere through direct air capture (DAC) technologies.”
Phys.org 7 Sept 2026

Related words

Domain

Electronics

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference